package com.cxh.supermarket.system.service.impl;

import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cxh.supermarket.common.constant.CacheNames;
import com.cxh.supermarket.common.core.domain.PageQuery;
import com.cxh.supermarket.common.core.domain.entity.SysDictData;
import com.cxh.supermarket.common.core.page.TableDataInfo;
import com.cxh.supermarket.common.exception.ServiceException;
import com.cxh.supermarket.common.utils.StringUtils;
import com.cxh.supermarket.common.utils.redis.CacheUtils;
import com.cxh.supermarket.system.mapper.SysDictDataMapper;
import com.cxh.supermarket.system.service.ISysDictDataService;
import lombok.RequiredArgsConstructor;
import org.springframework.cache.annotation.CachePut;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * 字典 业务层处理
 *
 * @author Lion Li
 */
@RequiredArgsConstructor
@Service
public class SysDictDataServiceImpl implements ISysDictDataService {

  private final SysDictDataMapper baseMapper;

  @Override
  public TableDataInfo<SysDictData> selectPageDictDataList(SysDictData dictData, PageQuery pageQuery) {
    LambdaQueryWrapper<SysDictData> lqw = new LambdaQueryWrapper<SysDictData>()
        .eq(StringUtils.isNotBlank(dictData.getDictType()), SysDictData::getDictType, dictData.getDictType())
        .like(StringUtils.isNotBlank(dictData.getDictLabel()), SysDictData::getDictLabel, dictData.getDictLabel())
        .eq(StringUtils.isNotBlank(dictData.getStatus()), SysDictData::getStatus, dictData.getStatus())
        .orderByAsc(SysDictData::getDictSort);
    Page<SysDictData> page = baseMapper.selectPage(pageQuery.build(), lqw);
    return TableDataInfo.build(page);
  }

  /**
   * 根据条件分页查询字典数据
   *
   * @param dictData 字典数据信息
   * @return 字典数据集合信息
   */
  @Override
  public List<SysDictData> selectDictDataList(SysDictData dictData) {
    return baseMapper.selectList(new LambdaQueryWrapper<SysDictData>()
        .eq(StringUtils.isNotBlank(dictData.getDictType()), SysDictData::getDictType, dictData.getDictType())
        .like(StringUtils.isNotBlank(dictData.getDictLabel()), SysDictData::getDictLabel, dictData.getDictLabel())
        .eq(StringUtils.isNotBlank(dictData.getStatus()), SysDictData::getStatus, dictData.getStatus())
        .orderByAsc(SysDictData::getDictSort));
  }

  /**
   * 根据字典类型和字典键值查询字典数据信息
   *
   * @param dictType  字典类型
   * @param dictValue 字典键值
   * @return 字典标签
   */
  @Override
  public String selectDictLabel(String dictType, String dictValue) {
    return baseMapper.selectOne(new LambdaQueryWrapper<SysDictData>()
            .select(SysDictData::getDictLabel)
            .eq(SysDictData::getDictType, dictType)
            .eq(SysDictData::getDictValue, dictValue))
        .getDictLabel();
  }

  /**
   * 根据字典类型和字典名称查询字典数据信息
   *
   * @param dictType  字典类型
   * @param dictLaboe 字典名称
   * @return 字典键值
   */
  @Override
  public String selectDictValue(String dictType, String dictLaboe) {
    SysDictData sysDictData = baseMapper.selectOne(new LambdaQueryWrapper<SysDictData>()
        .select(SysDictData::getDictValue)
        .eq(SysDictData::getDictType, dictType)
        .eq(SysDictData::getDictLabel, dictLaboe));
    if (ObjectUtil.isNull(sysDictData)) {
      throw new RuntimeException("获取字典失败：" + dictLaboe);
    }
    return sysDictData.getDictValue();
  }

  /**
   * 根据字典数据ID查询信息
   *
   * @param dictCode 字典数据ID
   * @return 字典数据
   */
  @Override
  public SysDictData selectDictDataById(Long dictCode) {
    return baseMapper.selectById(dictCode);
  }

  /**
   * 批量删除字典数据信息
   *
   * @param dictCodes 需要删除的字典数据ID
   */
  @Override
  public void deleteDictDataByIds(Long[] dictCodes) {
    for (Long dictCode : dictCodes) {
      SysDictData data = selectDictDataById(dictCode);
      baseMapper.deleteById(dictCode);
      CacheUtils.evict(CacheNames.SYS_DICT, data.getDictType());
    }
  }

  /**
   * 新增保存字典数据信息
   *
   * @param data 字典数据信息
   * @return 结果
   */
  @CachePut(cacheNames = CacheNames.SYS_DICT, key = "#data.dictType")
  @Override
  public List<SysDictData> insertDictData(SysDictData data) {
    int row = baseMapper.insert(data);
    if (row > 0) {
      return baseMapper.selectDictDataByType(data.getDictType());
    }
    throw new ServiceException("操作失败");
  }

  /**
   * 修改保存字典数据信息
   *
   * @param data 字典数据信息
   * @return 结果
   */
  @CachePut(cacheNames = CacheNames.SYS_DICT, key = "#data.dictType")
  @Override
  public List<SysDictData> updateDictData(SysDictData data) {
    int row = baseMapper.updateById(data);
    if (row > 0) {
      return baseMapper.selectDictDataByType(data.getDictType());
    }
    throw new ServiceException("操作失败");
  }

}
